I. Choose the correct answer: (25ms)
1. I am going to the ( bookstore/ café/ library) to buy books.
2. My brother and I ( am/ are/ am not) students.
3. Those are Lan and Hoa and these are ( his/ their/ her) bags.
4. Not many students are ( favorite/ interested/ good) in grammar.
5. My sister ( plays/ does/ goes) aerobics every afternoon.
6. Listen! The girl is ( sings/ is singing/ sings) beautifully.
7. The ( twelve/twelveth/ twelfth) month of the year is December.
8. Mai and Hoa ( rides/ ride/ are riding) their bikes to school from Monday to Saturday.
9. We are excited ( with/ in / about) the first day of school.
10. There are two lights ( at/ on/ between) the wall.
11. There are a lot of clothes on the floor. It's ( interesting/ comfortable/ untidy).
12. There are four chairs and one table ( at/ in/ on)the middle of the room.